diff --git a/krl.c b/krl.c
index 086fc20..3791532 100644
--- a/krl.c
+++ b/krl.c
@@ -14,7 +14,7 @@
  * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
  */
 
-/* $OpenBSD: krl.c,v 1.40 2017/05/31 09:15:42 deraadt Exp $ */
+/* $OpenBSD: krl.c,v 1.41 2017/12/18 02:25:15 djm Exp $ */
 
 #include "includes.h"
 
@@ -1014,7 +1014,7 @@
 		}
 		/* Check signature over entire KRL up to this point */
 		if ((r = sshkey_verify(key, blob, blen,
-		    sshbuf_ptr(buf), sig_off, 0)) != 0)
+		    sshbuf_ptr(buf), sig_off, NULL, 0)) != 0)
 			goto out;
 		/* Check if this key has already signed this KRL */
 		for (i = 0; i < nca_used; i++) {